First Alert SA511CN2-3ST Interconnected Wireless Smoke Alarm with Voice Location, Battery Operated, 2-Pack

First Alert SA511CN2-3ST Interconnected Wireless Smoke Alarm with Voice Location, Battery Operated, 2-Pack
Model: SA511CN2-3ST
(50)
2 stores
1 Products

Product Details

Keep your family safe in the event of a fire with the help of an Interconnected First Alert Wireless Smoke Alarm with Voice Location. The First Alert SA511CN2-3ST features an 85-decibel siren and voice alarm that tells you exactly where the danger is located allowing you and your family to find the fastest and safest escape route. These smoke detectors are interconnected and can communicate wirelessly, so when one unit sounds an alarm, they all go off to alert you of the potential danger. These battery-operated smoke alarms are suitable for placing in a wide variety of rooms throughout the home from kitchens to bedrooms, hallways and more. They even have a photoelectric sensor that's designed to be sensitive enough to detect dangerous smoke while also being smart enough to reduce false alarms from cooking smoke or shower steam.

The First Alert Wireless Smoke Alarm with Voice Location is quick and simple to set up and only requires two AA batteries allowing them to be installed easily with no electrician or hard wiring needed. First Alert SA511CN2-3ST Interconnected Wireless Smoke Alarm with Voice Location, Battery Operated, 2-Pack: Interconnected alarms all sound when 1 is activated, increasing safety The First Alert SA511CN2-3ST voice alarm tells you where the danger is, so you can choose the best evacuation route Battery-operated alarm installs easily, with no electrician required Photoelectric sensor reduces false alarms Comes in a pack of 2 alarms Keeps your family safe in the event of a fire Quick and easy to setup Provides advanced smoke detection Each detector requires 2 AA batteries for operation Do not paint

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Last Updated: 2025-09-13 16:04:49

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Product Specifications

Technical Details

Manufacturer -
Brand First Alert
Item model number SA511CN2-3ST
Color White
Weight -
Height -
Depth -

Additional Product Information

Product Id 326220
User Reviews and Ratings
4.5 (50 ratings)
4.5 out of 5 stars
UPC 029054002860

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First Alert SA511CN2-3ST Interconnected Wireless Smoke Alarm with Voice Location, Battery Operated, 2-Pack
Reviews: 50
app.ratings: (50)
Price:
$83.27 Visit walmart

Top User Reviews and Ratings (10 total reviews)

(5)
Reviewed in the USA on Mar 31, 2025

Very easy to install.

Anonymous • Review provider: walmart.com
(5)
Reviewed in the USA on Sep 27, 2024

They work great, piece of mind, just change the batteries every year.

Anonymous • Review provider: walmart.com
(5)
Reviewed in the USA on Aug 10, 2021

Installed eight of the ten smoke detectors as soon as I got it. Great value for a great price. They are battery operated and internally connected so when one goes off they all go off and tells you which room of the house is alarming..No wiring and no installer needed. Just follow the directions. Lowest price around.

Anonymous • Review provider: walmart.com
(5)
Reviewed in the USA on Mar 22, 2021

We had a fire in our garage at 1:00 am. The old smoke alarm had gone off but my wife and I couldn't hear it from our bedroom. By the grace of God our granddaughter who was sleeping downstairs did and alerted us. We extinguished the fire with no damage. I bought these since the work in tandem with each other, The directions are easy to follow and syncing them up is a snap. We sleep sounder with these installed.

Anonymous • Review provider: walmart.com
(5)
Reviewed in the USA on Nov 06, 2020

Easy installation. Fortunately we have not had an opportunity to use them yet but with the quality and construction we feel secure that we are well protected.

Anonymous • Review provider: walmart.com
Showing 1 to 5 of 10 reviews
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